Home / 143,796,758.10-215,695,137.15-97,880,255.70

Finding the Fourth Proportional to 143,796,758.10, 215,695,137.15 and 97,880,255.70

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Solution

The fourth proportional to 143,796,758.10, 215,695,137.15 and 97,880,255.70 is: 146,820,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,796,758.10 : 215,695,137.15 = 97,880,255.70 : x
  2. Step 2: Convert to fraction form
    143,796,758.10/215,695,137.15 = 97,880,255.70/x
  3. Step 3: Cross multiply
    143,796,758.10x = 215,695,137.15 × 97,880,255.70
  4. Step 4: Simplify right side
    143,796,758.10x = 21,112,295,177,488,572
  5. Step 5: Solve for x
    x = 21,112,295,177,488,572/143,796,758.10
  6. Step 6: Final answer
    x = 146,820,383.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.